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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef MEDIA_CAST_RTCP_RTCP_SENDER_H_ | 5 #ifndef MEDIA_CAST_RTCP_RTCP_SENDER_H_ |
| 6 #define MEDIA_CAST_RTCP_RTCP_SENDER_H_ | 6 #define MEDIA_CAST_RTCP_RTCP_SENDER_H_ |
| 7 | 7 |
| 8 #include <deque> | 8 #include <deque> |
| 9 #include <list> | 9 #include <list> |
| 10 #include <string> | 10 #include <string> |
| 11 | 11 |
| 12 #include "media/cast/cast_config.h" | 12 #include "media/cast/cast_config.h" |
| 13 #include "media/cast/cast_defines.h" | 13 #include "media/cast/cast_defines.h" |
| 14 #include "media/cast/rtcp/receiver_rtcp_event_subscriber.h" | 14 #include "media/cast/net/cast_transport_defines.h" |
| 15 #include "media/cast/rtcp/rtcp.h" | 15 #include "media/cast/net/rtcp/receiver_rtcp_event_subscriber.h" |
| 16 #include "media/cast/rtcp/rtcp_defines.h" | 16 #include "media/cast/net/rtcp/rtcp.h" |
| 17 #include "media/cast/transport/cast_transport_defines.h" | 17 #include "media/cast/net/rtcp/rtcp_builder.h" |
| 18 #include "media/cast/transport/rtcp/rtcp_builder.h" | 18 #include "media/cast/net/rtcp/rtcp_defines.h" |
| 19 | 19 |
| 20 namespace media { | 20 namespace media { |
| 21 namespace cast { | 21 namespace cast { |
| 22 | 22 |
| 23 // We limit the size of receiver logs to avoid queuing up packets. | 23 // We limit the size of receiver logs to avoid queuing up packets. |
| 24 const size_t kMaxReceiverLogBytes = 200; | 24 const size_t kMaxReceiverLogBytes = 200; |
| 25 | 25 |
| 26 // The determines how long to hold receiver log events, based on how | 26 // The determines how long to hold receiver log events, based on how |
| 27 // many "receiver log message reports" ago the events were sent. | 27 // many "receiver log message reports" ago the events were sent. |
| 28 const size_t kReceiveLogMessageHistorySize = 20; | 28 const size_t kReceiveLogMessageHistorySize = 20; |
| 29 | 29 |
| 30 // This determines when to send events the second time. | 30 // This determines when to send events the second time. |
| 31 const size_t kFirstRedundancyOffset = 10; | 31 const size_t kFirstRedundancyOffset = 10; |
| 32 COMPILE_ASSERT(kFirstRedundancyOffset > 0 && | 32 COMPILE_ASSERT(kFirstRedundancyOffset > 0 && |
| 33 kFirstRedundancyOffset <= kReceiveLogMessageHistorySize, | 33 kFirstRedundancyOffset <= kReceiveLogMessageHistorySize, |
| 34 redundancy_offset_out_of_range); | 34 redundancy_offset_out_of_range); |
| 35 | 35 |
| 36 // When to send events the third time. | 36 // When to send events the third time. |
| 37 const size_t kSecondRedundancyOffset = 20; | 37 const size_t kSecondRedundancyOffset = 20; |
| 38 COMPILE_ASSERT(kSecondRedundancyOffset > | 38 COMPILE_ASSERT(kSecondRedundancyOffset > |
| 39 kFirstRedundancyOffset && kSecondRedundancyOffset <= | 39 kFirstRedundancyOffset && kSecondRedundancyOffset <= |
| 40 kReceiveLogMessageHistorySize, | 40 kReceiveLogMessageHistorySize, |
| 41 redundancy_offset_out_of_range); | 41 redundancy_offset_out_of_range); |
| 42 | 42 |
| 43 // TODO(mikhal): Resolve duplication between this and RtcpBuilder. | 43 // TODO(mikhal): Resolve duplication between this and RtcpBuilder. |
| 44 class RtcpSender { | 44 class RtcpSender { |
| 45 public: | 45 public: |
| 46 RtcpSender(scoped_refptr<CastEnvironment> cast_environment, | 46 RtcpSender(scoped_refptr<CastEnvironment> cast_environment, |
| 47 transport::PacedPacketSender* outgoing_transport, | 47 PacedPacketSender* outgoing_transport, |
| 48 uint32 sending_ssrc, | 48 uint32 sending_ssrc, |
| 49 const std::string& c_name); | 49 const std::string& c_name); |
| 50 | 50 |
| 51 virtual ~RtcpSender(); | 51 virtual ~RtcpSender(); |
| 52 | 52 |
| 53 void SendRtcpFromRtpReceiver( | 53 void SendRtcpFromRtpReceiver( |
| 54 uint32 packet_type_flags, | 54 uint32 packet_type_flags, |
| 55 const transport::RtcpReportBlock* report_block, | 55 const RtcpReportBlock* report_block, |
| 56 const RtcpReceiverReferenceTimeReport* rrtr, | 56 const RtcpReceiverReferenceTimeReport* rrtr, |
| 57 const RtcpCastMessage* cast_message, | 57 const RtcpCastMessage* cast_message, |
| 58 const ReceiverRtcpEventSubscriber::RtcpEventMultiMap* rtcp_events, | 58 const ReceiverRtcpEventSubscriber::RtcpEventMultiMap* rtcp_events, |
| 59 base::TimeDelta target_delay); | 59 base::TimeDelta target_delay); |
| 60 | 60 |
| 61 private: | 61 private: |
| 62 void BuildRR(const transport::RtcpReportBlock* report_block, | 62 void BuildRR(const RtcpReportBlock* report_block, |
| 63 Packet* packet) const; | 63 Packet* packet) const; |
| 64 | 64 |
| 65 void AddReportBlocks(const transport::RtcpReportBlock& report_block, | 65 void AddReportBlocks(const RtcpReportBlock& report_block, |
| 66 Packet* packet) const; | 66 Packet* packet) const; |
| 67 | 67 |
| 68 void BuildSdec(Packet* packet) const; | 68 void BuildSdec(Packet* packet) const; |
| 69 | 69 |
| 70 void BuildPli(uint32 remote_ssrc, Packet* packet) const; | 70 void BuildPli(uint32 remote_ssrc, Packet* packet) const; |
| 71 | 71 |
| 72 void BuildRemb(const RtcpRembMessage* remb, Packet* packet) const; | 72 void BuildRemb(const RtcpRembMessage* remb, Packet* packet) const; |
| 73 | 73 |
| 74 void BuildRpsi(const RtcpRpsiMessage* rpsi, Packet* packet) const; | 74 void BuildRpsi(const RtcpRpsiMessage* rpsi, Packet* packet) const; |
| 75 | 75 |
| (...skipping 31 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 107 break; | 107 break; |
| 108 } | 108 } |
| 109 } | 109 } |
| 110 *mantissa = (bitrate >> *exponent); | 110 *mantissa = (bitrate >> *exponent); |
| 111 } | 111 } |
| 112 | 112 |
| 113 const uint32 ssrc_; | 113 const uint32 ssrc_; |
| 114 const std::string c_name_; | 114 const std::string c_name_; |
| 115 | 115 |
| 116 // Not owned by this class. | 116 // Not owned by this class. |
| 117 transport::PacedPacketSender* const transport_; | 117 PacedPacketSender* const transport_; |
| 118 scoped_refptr<CastEnvironment> cast_environment_; | 118 scoped_refptr<CastEnvironment> cast_environment_; |
| 119 | 119 |
| 120 std::deque<RtcpReceiverLogMessage> rtcp_events_history_; | 120 std::deque<RtcpReceiverLogMessage> rtcp_events_history_; |
| 121 | 121 |
| 122 DISALLOW_COPY_AND_ASSIGN(RtcpSender); | 122 DISALLOW_COPY_AND_ASSIGN(RtcpSender); |
| 123 }; | 123 }; |
| 124 | 124 |
| 125 } // namespace cast | 125 } // namespace cast |
| 126 } // namespace media | 126 } // namespace media |
| 127 #endif // MEDIA_CAST_RTCP_RTCP_SENDER_H_ | 127 #endif // MEDIA_CAST_RTCP_RTCP_SENDER_H_ |
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